body { font-family: Arial, sans-serif; }
ul { list-style-type: none; padding-left: 20px; }
.item > ul { display: none; }
.toggle { cursor: pointer; color: blue; margin-right: 5px; }
.directory-info, .file-info {
    display: flex;
    align-items: center;
    border-bottom: 1px solid #ddd;
    padding: 5px 0;
    position: relative;
    transition: background-color 0.3s;
}
.directory-info:hover, .file-info:hover {
    background-color: #e0f7fa;
}
.icon {
    width: 16px;
    height: 16px;
    margin-right: 5px;
}
.filename, .folder-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 10px;
}
.note-container {
    position: absolute;
    right: 10px;
    display: flex;
    align-items: center;
}
.note-form textarea {
    flex: 1;
    border: none;
    background-color: #f5f5f5;
    border-radius: 5px;
    margin-right: 10px;
    font-weight: bold;
    padding: 5px;
    transition: background-color 0.3s;
}
.note-form textarea:focus {
    outline: none;
    background-color: #eaeaea;
}
.folder-name {
    cursor: pointer;
}
